Electrical fuse.



H. VV. YOUNG.

ELECTRCAL FUSE.

APPLICATION .f-sLEn SEPT. ze. 1914.

1,228,354, y Patented May 29, 1917.

, v fnf@ /TJu/yf ELECTRSAL FUSE.

plicaticn led September 26, i914.

To wiwi/,e #may ammesse:

"de it libcivil i densi W. YGUNG, a iitei; States, and e, i'esident hiesige7 county ci Cook, and e invented certain new 'icim'eiiien'ts in Electi'ical ne following is specificainvesties ielates te iinpicvements iu j; insee mete especially toifees for such censtmietbe invention being to eii'iicient' ccnstiuction ei is capable @i eccnomie celnbinatiens ier-einaiteiu Vdeby' i. fdrawing sueciiicatien, and .in

i!) .lees-eben Y "L, section taken en line 3-3 ci a pei'spective view et a fusible et employed in 'the ccusti'uctiexc., and

5, a view ei ene of the end plates cnpleyed in tbe construction.

if neeieifed 'Ecrin et conste' iii the drawing cernpis ,ateiial having l eif'ted within ieee plates is provided Witen its edges and is secued in position tien as .JN s a sabe by pifessing a metallic cap l ever tbe corresponding end @if This cap is piessed ev'ei' 'une end ei? tube 6 Witli suiiicient force te l teetl'i 9 in said tube and also te sides ei tbe can in said tube as indicated. Besides generally ieiniioi'cingtbe en 1s sii tube @3, tbe plates or disks i and 8 suilicient i'esistance te the pi'essuie einpleyed in ioifcing caps l@ into place Wliicli ite considerable. A fusible strip ll is "Wed in tube *8 and is provided with a c .tici recess .l2 in ene end, the adjeining peitions 13 of said end being soldered te 7. it its otlief end stiip ll is extended tlircugli slots ill in plate 8 and tbe ceme- 55 speeding cap l0 and is 'bent outwardly and Specicatcii ci Letters Patent.

taken en substancentlcellcinitudiual section ei.

Patented Maly 29, 1917.

rearwardly te :term an end 15 overlapping the end ci tube Tube 6 is incased in an outer tube 16 also ef insulatiiig niateifial but prefeiably of a more permanent nature, and one end of tube 16 is permanently closed by means of a metallicvcap l? secured thereto. A securing screw 18 siviveled in cap 17 and threadedin plate 7 te seifve as a means ici binding theA cartridge in, tube 16, recess 12 receiving tlie end of said screw as indicated. A guard pin 19 is also provided ici' screw 18 and an opening; is provided in plate 7 to'receive said pin, thus guaiding against substitution of a fuse caitidge ef diiei'ent. capacity. AThe otliei end of the tube l5 is closed by a metallicband end a metallic plate 21 leaving 'projections 22 and 23 resting adjacent said i bandE 2l also carries a binding screw 24 which is adapted to pass thrcugli an opening 25 1n the end 15 of fuslble member 11 and serve as a means for securing said end 'and eecting goed electrical connection .modications as come :within tile scope of tbe appended claims.

Having desciibed ieventien niet ll c'aini es and desire secuie by ile fers Patent is:

Al. A fuse comprising a tube; disk serted in tbe end of said tube; a cap pressed over tbe end oi said tube, the edges of said disk being embedded tbeieiu; a fusible member in said tube; and means for effect* ing electrical connection with the ends of said fusible member, substantially as described.

2. A fuse comprising a. tube of insulating mateiial; a metallic disk inserted in' the end ci said tube; a metallic cap pressed over the end of said tube, the edges of said disk being embedded therein, a fusible meinbei' in said tube; and means for eiecting electrical connection with tbe ends of said fusible membei, substantially as desci'ibed. A

35A fuse comprising a tube; e vdisk i11- serted in the end of said tube and having teeth ou its edges; a cap pressed over the end of said tube, said teeth being embedded therein; a fusible member in said tube; and means for eiecting electrical connection with the ends of said fusible member, substantially as described.

4L. A fuse comprisi g a. tube of insulating material; a metallic disl inserted in the of said tube and having teeth on its edges; metallic cap pressed ever 'the end ot said tube, said teeth being embedded therein; a fusible nember in said tube; and means for etecting electrical connection with the ends of said fusible member, substantially as described.

5. A iuse comprisingl e tube of insulating material; a convex metallic disk inserted within each end of seid tube and having' teeth' on its edges; e metallic cap pressed over each end of said tube, seid- 'teeth being embedded therein; e t'usible member Within said tube having ene end soldered to 'ene ot said disjus and the other end passing through the disk and cap et the corresponding end of said tube; and means for effecting electrical connection with said protruding end of said fusible member and with the disk at the other end thereof, substantially as described.

6. A fuse comprising a tube of insulating material; a convex disk inserted Within the ends of said tube; a metallic cap pressed over each end of said tube embedding the edges of said disks therein; a fusible member in said tube; and means for effecting electrical connection with the ends of said fusible member, substantiall;7 as described.

7. A closure for the end of a fuse tube comprising convex disk inserted therein and embedded in the lwalls thereof, substantially as described.

ln testimony whereof I have signed my name to this specification in the presence, o1" two subscribing Witnesses.

HARRY W. YOUNG.

lVitnesses 1 JOSHUA R. il. lo'r'rsg B. G. Rcrmnns. 

